Introduction. The Centers for Disease Control and Prevention (CDC) estimate that between 1 039 000 and 1 185 000 people in the USA are infected with HIV, and approximately 75% are aware of their infection and 25% are not.
February 18, 2010 â Editor's note: Pediatric respiratory emergencies result from a variety of causes, including chronic medical conditions, infections, allergic reactions, and obstruction from foreign bodies.
This interferes with gas exchange and can cause respiratory failure. The most common cause of pulmonary edema is congestive heart failure, where the heart cannot keep up with the demands of the body. Pulmonary edema can be acute (sudden onset) or chronic (occurring more slowly over time). If it is acute, it is classed as a medical emergency needing immediate attention.